Home / 623,112.68-936,620.24-411,242.26

Finding the Fourth Proportional to 623,112.68, 936,620.24 and 411,242.26

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Solution

The fourth proportional to 623,112.68, 936,620.24 and 411,242.26 is: 618,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,112.68 : 936,620.24 = 411,242.26 : x
  2. Step 2: Convert to fraction form
    623,112.68/936,620.24 = 411,242.26/x
  3. Step 3: Cross multiply
    623,112.68x = 936,620.24 × 411,242.26
  4. Step 4: Simplify right side
    623,112.68x = 385,177,824,259.34
  5. Step 5: Solve for x
    x = 385,177,824,259.34/623,112.68
  6. Step 6: Final answer
    x = 618,151.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.